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Number 2 cylinder misfire why?

1996 6 cyl.

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Spark plug, injector, HT lead, coil, ECU. Any of these can cause your problem.

Posted on May 12, 2017

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How to fix cylinder misfire?


did you check the spark plug wire to #2 cylinder?
did check the #2 cyl pressure?
did you check the#2 injector for possible clogged or leaky injector?

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Misfire on Cylinder 3 swapped plugs between 3 and 4 on Pontiak Aztek 2003. Misfire remained on cylinder 3. Swapped ignition coil 3 and 6 with ignition coil 1 and 4 misfire still on cylinder 3


Try a new plug wire on cyl 3 if that doesn't fix it you could have a bad valve or compression problem on cyl 3 Try doing a compression test also If it has injectors for each cylinder you could have a bad injector for cylinder number 3

Dec 04, 2014 | 2001 Pontiac Aztek

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2002 kia spectra misfire


bad senser or computer

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Wheres number cylinder for 1996 Pontiac Grand Am 3.1?


Cylinder number one is on the back of the engine towards the alternator.

Mar 19, 2012 | 1996 Pontiac Grand Am

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Number five plug not firing


I'm assuming this is a DIS(distibutorless ignition system).If it is,the most common cause is a defective coil pack.Each coil will fire a pair of cylinders together on 4 and 6 cylinder engines(one "waste" spark,one to ignite the mixture).Try swapping the wires at the coil pack to see if the misfire follows the coil tower,or the same cylinder misfires(keep in mind that a check engine light means you will have to clear the code to get the computer to feed that cylinder fuel before you start it up again).If the other cyl on the pack now misfires(i believe 1+5 are on the same pack on a Ford engine),then the coil is bad(spark is "leaking"to ground).If the same cyl still misfires,try swapping a wire+plug from another cylinder.

Mar 14, 2012 | 1996 Mercury Cougar XR7

1 Answer

2002 elantra cyl 2 random misfire


Hi there:A P0300 diagnostic code indicates a random or multiple misfire. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring. A P0302 code, for example, would tell you cylinder number two is misfiring. Unfortunately, a P0300 doesn't tell you specifically which cylinder(s) is/are mis-firing, nor why.

For example, a P0302 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #2; same condition in P0301 - cyl #1, P0303 - cyl #3 and P0304 - cyl #4.

A code P0300 (or 301, 302, 303 or 304) may mean that one or more of the following has happened:
Faulty spark plugs or wires
Faulty coil (pack)
Faulty oxygen sensor(s)
Faulty fuel injector(s)
Burned exhaust valve
Faulty catalytic converter(s)
Stuck/blocked EGR valve / passages
Faulty camshaft position sensor
Defective computer

About your possible solutions, if there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.

If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.

Random misfires that jump around from one cylinder to another (read: P030x codes) also will set a P0300 code. The underlying cause is often a lean fuel condition, which may be due to a vacuum leak in the intake manifold or unmetered air getting past the airflow sensor, or an EGR valve that is stuck open.


Hope this helps.

Mar 09, 2012 | Hyundai Motor 2002 Elantra

1 Answer

Cyl.1-2-3 misfiring


Did you get the wire on in the right spot? The coil should be marked for which cylinders they go to.

Apr 03, 2010 | 1996 Ford Escort 4 Door

1 Answer

2006 dodge caravan, 6 cyl. relaced cole, sparkepugs and wires in oct. 2009. Engine is reading #2 cyl. misfire again. Why


Firts time swap spark plug & ignition coil between two different cylinders and read again if the same #2 cyl. misfires !
If #2 cyl. is OK and another cyl. misfires then spark plug or ignition coil is out of order and must be replaced.
If #2 cyl. misfires again then #2 injector must be checked !
If ignition coils & spark plugs (complete set for 6 cyl.) are replaced then you must check #2 injector !

Mar 15, 2010 | 2006 Dodge Caravan

1 Answer

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get the soft ware up grade. and have the coils checked.

Mar 03, 2010 | 2002 BMW Z3

1 Answer

Misfire on number 2 cyl


Cylinders are numbered from front to rear (grille to firewall) passenger side: 1-2-3, driver's side: 4-5-6. Firing order is 1-4-2-5-3-6
Did you check by pulling #2 out while the engine is in idle to see no weakness from the engine? BTW your coil pack cost $80.

Sep 13, 2009 | 1996 Nissan Maxima

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